228089786553 has 12 divisors (see below), whose sum is σ = 330407049700. Its totient is φ = 151624154016.

The previous prime is 228089786527. The next prime is 228089786557. The reversal of 228089786553 is 355687980822.

228089786553 is a `hidden beast` number, since 2 + 2 + 8 + 0 + 8 + 9 + 78 + 6 + 553 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 202907905209 + 25181881344 = 450453^2 + 158688^2 .

It is not a de Polignac number, because 228089786553 - 2⁵ = 228089786521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228089786557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36305326 + ... + 36311607.

Almost surely, 2^228089786553 is an apocalyptic number.

It is an amenable number.

228089786553 is a deficient number, since it is larger than the sum of its proper divisors (102317263147).

228089786553 is a wasteful number, since it uses less digits than its factorization.

228089786553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72617288 (or 72617285 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 228089786553 in words is "two hundred twenty-eight billion, eighty-nine million, seven hundred eighty-six thousand, five hundred fifty-three".